最近工作中调用接口，返回报文是String，取值不方便，需要转换为实体，回来自己简单写了个demo，基本上可以满足工作需求。

除了下面代码外，还要创建对应的实体。

package yh.test.t1113;import com.thoughtworks.xstream.XStream;import com.thoughtworks.xstream.io.xml.DomDriver;import org.slf4j.Logger;import org.slf4j.LoggerFactory;import java.io.*;import java.util.Date;/** * Created by vincce on 2015/11/13. */public class Test1113 {    Logger logger = LoggerFactory.getLogger(Test1113.class);    public static User user(){        User user = new User();        user.setUserId("1");        user.setUserName("jack");        user.setUserAge("21");        user.setUserSex("male");        user.setEmail("3598649001@qq.com");        user.setCreateTime(new Date());        return user;    }    public static void main(String[] args) {        /**entity to xml*///        xmlToEntity(user());        /** xml to entity*/        entityToXML(readLocalText());        /**read local file*///        readLocalText();    }    /**     * 转换器util     * @param user     * @return     */    public static XStream ConvertUtil(User user) {        System.out.println("------------开始调用转换器 ConvertUtil------------");        XStream xStream = new XStream(new DomDriver("GBK"));        xStream.alias("user", User.class);        xStream.aliasField("userId", User.class, "userId");        xStream.aliasField("userName", User.class, "userName");        xStream.aliasField("userSex", User.class, "userSex");        xStream.aliasField("userAge", User.class, "userAge");        xStream.aliasField("email", User.class, "email");        xStream.aliasField("createTime", User.class, "createTime");        return xStream;    }    /**     * entity to xml     * @return     */    public static String xmlToEntity(User user) {        String xml = ConvertUtil(user).toXML(user);        System.out.println("---------开始输出xml---------");        System.out.println(xml);        System.out.println("---------输出xml结束---------");        return xml;    }    /**     * xml to entity     * @param strXML 字符串     * @return     */    public static User entityToXML(String strXML){        User user = (User)ConvertUtil(null).fromXML(strXML,new User());        System.out.println("------------开始转换为实体------------");        System.out.println(user.toString());        System.out.println(user.getUserAge());        System.out.println("------------实体转换结束------------");        return user;    }    /**     * 读取本地 xml 文件     * @return     */    public static String readLocalText(){        StringBuffer stringBuffer = new StringBuffer();        String str = null;        String filePath="E:\\study\\test\\userXML.txt";        System.out.println("------------开始读取本地xml文件------------文件路径"+filePath);        File file = new File(filePath);        InputStreamReader inputStreamReader = null;        BufferedReader bufferedReader = null;        if(file.exists() && file.isFile()){            try {                inputStreamReader = new InputStreamReader(new FileInputStream(file));                bufferedReader = new BufferedReader(inputStreamReader);                while ((str = bufferedReader.readLine()) != null){                    stringBuffer.append(str);                }                System.out.println("------------开始输出stringBuffer------------");                System.out.println(stringBuffer);            } catch (FileNotFoundException e) {                e.printStackTrace();            } catch (IOException e) {                e.printStackTrace();            }finally {                if(inputStreamReader != null){                    try {                        inputStreamReader.close();                    } catch (IOException e) {                        e.printStackTrace();                    }                }            }        }else {            System.out.println("指定目录下的文件找不到！");        }        System.out.println("------------本地文件输出成功------------");        return stringBuffer.toString();    }}